<p>The ventilation holes of the product should not be submerged in water.</p> <p>After the product is attached to the wall, do not violently remove it to avoid damaging the product or the surface of the wall.</p> <p>Please keep from the harsh environment of high humidity.</p> <p>This product is used for , not as a measuring tool.</p> <p>Product parameters:</p> <p>Product model: Multifunctional mini temperature and humidity meter</p> <p>Battery type: CR2032 (installed)</p> <p>Temperature measurement range: -50C-+70C (-58F-+158F)</p> <p>Temperature Measurement Accuracy: +1C (1.8F)</p> <p>Temperature Resolution: 0.1C (0.2F)</p> <p>Humidity measurement range: 10%RH-99%RH</p> <p>Humidity measurement accuracy: 5%RH</p> <p>Humidity resolution: 1%</p> <p>Features:</p> <p> Indicator</p> <p>High Accuracy and Quickly Refresh</p> <p>Multiple Mounting and Widely Use</p> <p>Easy To Read and Use</p> <p>size: 43 x 13mm</p> <p>Material: ABS</p> <p>colour: White</p> <p>Package Contents:</p> <p>12 x Thermometer hygrometer(Battery included)</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>